Illinois Regional Archives Depository (IRAD) System Illinois State Archives
IRAD Home • Administrative Histories / Record Descriptions • Local Government Records Database • Quick Links • Regional Map and Contact Information • Research Policy
Kendall County

County Clerk or Recorder
Kendall County Office Building
111 W. Fox St.
Yorkville, IL 60560
630-553-4104 – County Clerk
630-553-4112 – Recorder
Circuit Clerk
Kendall County Courthouse
807 W. John St.
Yorkville, IL 60560
630-553-4183
IRAD Depository
Founders Memorial Library
Rm. 245B
Northern Illinois University
DeKalb, IL 60115
815-753-1807
Established
- February 19, 1841 (Laws, 1841, p. 75)
Origin of the name of the county
- For Amos Kendall, a successful politician and journalist, Postmaster General under Jackson, and as partner of S.F.B. Morse, the inventor of the electric telegraph, he contributed largely to the commercial success of that invention.

Present area, or parts of it, formerly included in
- 1836–1841 – Kane
- 1831–1841 – LaSalle
- 1825–1831 – Putnam
- 1823–1825 – Fulton
- 1821–1823 – Pike
- 1819–1821 – Clark
- 1816–1819 – Crawford
- 1815–1816 – Edwards
- 1812–1815 – Madison
- 1801–1812 – St. Clair
- 1790–1801 – Knox, Northwest Territory
County Seats
- 1841–1845 – Yorkville
- 1845–1864 – Oswego
- 1864–present – Yorkville

History of county governing board
- 1841–1850 – County Commissioners’ Court
- 1850–present – County Board of Supervisors
Township Government
- Adopted – November 6, 1849
Township Names
- Big Grove
- Bristol
- Fox
- Kendall
- Lisbon
- Little Rock
- Na-Au-Say
- Oswego
- Seward – Name changed from Franklin on November 14, 1850.
Township Map
Pertinent Databases